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Crane air-conditioning control system and crane

A control system, crane technology, applied in transportation and packaging, air handling equipment, heating/cooling equipment, etc., can solve the problem of violent shaking of the slewing system, and achieve the effect of improving stability and reducing slewing vibration

Inactive Publication Date: 2021-03-16
河北雷萨重型工程机械有限责任公司
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Problems solved by technology

In the related technology, the start of the air conditioner is controlled by a temperature sensor. When the temperature reaches the set value, the air conditioner starts automatically. However, since the air conditioner oil circuit is connected in series with the rotary oil circuit, the rotary system vibrates violently due to the instantaneous pressure rise when the air conditioner is started. , there is room for improvement

Method used

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  • Crane air-conditioning control system and crane

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Embodiment Construction

[0027] Embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary, and are only for explaining the present application, and should not be construed as limiting the present application.

[0028] Refer below figure 1 Describe the crane air conditioner control system 100 according to the embodiment of the present application. The crane air conditioner control system 100 can control the hydraulic oil to slowly enter the air conditioner motor 1 when the air conditioner is started, so that the opening process is stable and the pressure shock is small, which can effectively avoid Rotary jitter caused by pressure shock at the moment of opening too fast.

[0029] Such as figure 1 As shown, the crane air-conditionin...

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Abstract

The invention discloses a crane air-conditioning control system and a crane. The crane air-conditioning control system comprises an air-conditioning motor; a main oil way which is internally providedwith a first control valve, and the first control valve is used for selectively communicating an oil way of the air conditioner motor with the main oil way; a control oil way which is connected between the inlet end of the main oil way and a first port of a valve cavity of the first control valve, and a second control valve is arranged in the control oil way; an oil return oil way which is connected between the second port of the valve cavity of the first control valve and the oil tank, and a first throttling element is arranged in the oil return oil way; the second control valve is set to beopened when the actual temperature value exceeds the preset temperature value so that the control oil way can control the first control valve to communicate the oil way of the air conditioner motor with the main oil way. According to the crane air conditioner control system, the air conditioner motor can be prevented from vibrating approximately seriously due to hydraulic impact after the air conditioner is started, and the structural stability is good.

Description

technical field [0001] The present application relates to the technical field of crane manufacturing, in particular to a crane air-conditioning control system and a crane equipped with the crane air-conditioning control system. Background technique [0002] Wheeled cranes currently on the market are equipped with air conditioners to adjust the working temperature of the crane. In the related technology, the start of the air conditioner is controlled by a temperature sensor. When the temperature reaches the set value, the air conditioner starts automatically. However, since the air conditioner oil circuit is connected in series with the rotary oil circuit, the rotary system vibrates violently due to the instantaneous pressure rise when the air conditioner is started. , there is room for improvement. Contents of the invention [0003] This application aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present applica...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60H1/00
CPCB60H1/00357B60H1/00642
Inventor 杨学锋夏天
Owner 河北雷萨重型工程机械有限责任公司
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